View Compilation Error

0_0_26458017_12828.cpp:1:1: error: 'l' does not name a type
 l > r_del) {
 ^
0_0_26458017_12828.cpp:5:21: error: expected unqualified-id before 'else'
                     else if (l_id < r_id) {
                     ^
0_0_26458017_12828.cpp:9:21: error: expected unqualified-id before 'else'
                     else {
                     ^
0_0_26458017_12828.cpp:13:17: error: expected declaration before '}' token
                 }
                 ^